https://youtu.be/PghOjur6_Mk https://youtu.be/uK7ol8VyrOg A blend file demonstrating the flow of blood in the body , both arterial and venous along with heart and lungs. The formats 3mf, fbx,obj with applied uv mapped textures have also been included in the downloads along with ply, stl & 3mf.
https://www.fab.com/listings/97030de5-c102-43e6-a89f-0076ad9153cc